src/hooks/module/useTrestle.js

@@ -1804,7 +1804,7 @@ export const useTrestle = () => {
       const bracket = new fabric.Rect({
         left: startPointX,
         top: startPointY,
-        fill: 'green',
+        fill: i === 0 || i === count - 1 ? '#D70065' : 'green',
         name: TRESTLE_MATERIAL.BRACKET,
         parentId: module.id,
         surfaceId: module.surfaceId,